Keithley Instruments Inc.

"Linda Rae is Executive Vice President and Chief Operating Officer at Keithley Instruments, Inc. Rae joined Keithley in 1995 with a position in product marketing and later served as head of Keithley's Component Test Group, as well as the company's Optoelectronics Group, and most recently was the company's Senior Vice President and General Manager. Rae earned a Bachelor of Science degree in Electrical Engineering from the University of Florida. In addition, she holds a Master of Business Administration from the Weatherhead School of Management at Case Western Reserve University and a Master of Science degree in Electrical Engineering from Case Western Reserve University. Rae is a former member of the Weatherhead School of Management Alumni Association Board of Directors. As part of Keithley work teams, Rae has received two EDI (NorTech) awards and an internal Keithley QSII (Quality-Service-Innovation-Integrity) award for innovation. "

"Mark J. Plush is Vice President and Chief Financial Officer for Keithley Instruments, Inc. Plush joined Keithley in 1982 as Corporate Controller, was named a corporate officer in 1989, and was appointed Chief Financial Officer in 1998. Prior to joining Keithley, Plush completed an 11-year career with Parker Hannifin Corporation. Plush earned a Bachelor of Science degree in Business Administration from John Carroll University in Cleveland, Ohio, and a Master of Business Administration from Case Western Reserve University in Cleveland, Ohio. He is also a certified public accountant. Plush is Treasurer for the Ohio chapter of the March of Dimes, with which he has been actively involved since 1993, and a member of the Board of Directors of Richmond Heights Hospital, part of the University Hospitals Health System. He is a member of the American Institute of Certified Public Accountants, the Financial Executive Institute, and the Ohio Society of Certified Public Accountants. "

Daniel Faia joined Keithley Instruments, Inc. in February 2009 as Vice President, Sales and Support. Prior to joining Keithley, Mr. Faia has served as Vice President/Worldwide Sales and Marketing at Eagle Test Systems with responsibility for managing global sales, applications and customer service efforts. Prior to joining Eagle Test, Mr. Faia was employed by Teradyne, Inc. in various sales and product marketing positions from March 1997 to April 2004. From March 1989 to March 1997, Mr. Faia was employed by Raytheon Co. where he held positions in Test Engineering and Design Engineering of Automated Test Equipment. Mr. Faia holds a B.S. in Computer Engineering from Wentworth Institute of Technology in Boston, Massachusetts.

"Larry L. Pendergrass joined Keithley Instruments, Inc. in 2003 as Vice President, New Product Development. Prior to joining Keithley, he had over 20 years experience in research and development, product development, and manufacturing engineering with Agilent Technologies and Hewlett-Packard. Pendergrass received a Bachelor of Science degree in Physics from San Diego State University and a Master's degree in Physics with a focus on Solid State Physics and Optics from the University of California. "

"Mark Hoersten is Vice President, Business Management, for Keithley Instruments, Inc. Hoersten, who joined Keithley as a design engineer in 1980, has held several positions at Keithley, including Engineering Manager, Product Market Manager, Strategic Marketing Manager, Business Manager for the Telecom Group, and General Manager. Hoersten graduated from the University of Toledo with a Bachelor of Science degree in Electrical Engineering. He earned a Master of Science degree in Electrical Engineering from Cleveland State University and received his Master of Business Administration from Case Western Reserve University. Hoersten is a registered professional engineer. "

Stephen A. Chipchase is Vice President, Operations, for Keithley Instruments, Inc. Chipchase joined Keithley in April 2000 as Materials/Logistics Manager and held various positions in operations, including Cell Manager, Acting Director of Operations, and most recently Director of Operations. Chipchase graduated from Cleveland State University with a degree in Mechanical Engineering , and earned a Master of Business Administration from Case Western Reserve University.

Array

Array

Director since 1995 and Chairman of the Governance Committee and member of the Compensation Committee of the Board of Directors. Chairman of Remington Arms Co. since December 1997 and from December 1997 until April 1999 was also Chief Executive Officer. From 1993 to 2000, Mr. Hendrix was a Principal of Clayton, Dubilier & Rice, Inc., a private investment firm. Prior thereto, Mr. Hendrix was with Reliance Electric Company, a manufacturer and seller of industrial and telecommunications equipment and services, since 1973, where he held a series of executive level positions, most recently Chief Operating Officer and a member of the Board of Directors since 1992. Mr. Hendrix is a member of the Boards of Directors of Keithley Instruments, Inc., and NACCO Industries, Inc. He is also Chairman of the Clemson University Board of Trustees.